NFKB1 and myeloid sarcoma: Combined with pathological studies that detected activated NF-κB subunits in macrophages, microglia, oligodendrocytes, astrocytes, and perivascular lymphocytes near or in active MS plaques (37, 38), studies to explore the impact of dysfunctional NF-κB on different cell types on MS would be of interest (Table 1).